Gotowe bibliografie tematyczne / Zener Theory

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Gotowa bibliografia na temat „Zener Theory”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Zener Theory"

Tsai, Ping-Kun, Cheng-Han Li, Chia-Chun Lai, Ko-Jung Huang i Ching-Wei Cheng. "Approximation Solution for the Zener Impact Theory". Mathematics 9, nr 18 (10.09.2021): 2222. http://dx.doi.org/10.3390/math9182222.

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Collisions can be classified as completely elastic or inelastic. Collision mechanics theory has gradually developed from elastic to inelastic collision theories. Based on the Hertz elastic collision contact theory and Zener inelastic collision theory model, we derive and explain the Hertz and Zener collision theory model equations in detail in this study and establish the Zener inelastic collision theory, which is a simple and fast calculation of the approximate solution to the nonlinear differential equations of motion. We propose an approximate formula to obtain the Zener nonlinear differential equation of motion in a simple manner. The approximate solution determines the relevant values of the collision force, material displacement, velocity, and contact time.

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Abbruzzese, Giuseppe Carlo, i Massimiliano Buccioni. "Theory of Grain Growth in the Presence of Atoms Drag Effects". Materials Science Forum 558-559 (październik 2007): 1005–12. http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.1005.

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The statistical model of grain growth is able to predict the effect of Zener drag on the grain size distribution evolution and on grain growth kinetics [1, 2]. This paper, in the same framework, will treat the case of atoms drag on grain boundary movement. The mechanism by which atoms drag operates is significantly different by that of Zener. The corresponding peculiar features will result in a specific grain size distribution evolution with considerable change of grain growth kinetics and distribution shape from that of normal grain growth case as a function of the intensity of the pinning conditions.

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Amos, A. T., S. G. Davison i K. W. Sulston. "Rosen-Zener approximation in surface-ion scattering theory". Physics Letters A 118, nr 9 (listopad 1986): 471–74. http://dx.doi.org/10.1016/0375-9601(86)90754-1.

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Carlo, A. Di, i P. Vogl. "Theory of Zener tunnelling and Stark ladders in semiconductors". Semiconductor Science and Technology 9, nr 5S (1.05.1994): 497–99. http://dx.doi.org/10.1088/0268-1242/9/5s/026.

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Park, K. W., J. Kim, J. Seo, S. Moon, K. Jeong i K. An. "Entropic comparison of Landau–Zener and Demkov interactions in the phase space of a quadrupole billiard". Chaos: An Interdisciplinary Journal of Nonlinear Science 32, nr 10 (październik 2022): 103101. http://dx.doi.org/10.1063/5.0101495.

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We investigate two types of avoided crossings in a chaotic billiard within the framework of information theory. The Shannon entropy in the phase space for the Landau–Zener interaction increases as the center of the avoided crossing is approached, whereas for the Demkov interaction, the Shannon entropy decreases as the center of avoided crossing is passed by with an increase in the deformation parameter. This feature can provide a new indicator for scar formation. In addition, it is found that the Fisher information of the Landau–Zener interaction is significantly larger than that of the Demkov interaction.

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Liu, Xu, i Stewart Greenhalgh. "Fitting viscoelastic mechanical models to seismic attenuation and velocity dispersion observations and applications to full waveform modelling". Geophysical Journal International 219, nr 3 (30.08.2019): 1741–56. http://dx.doi.org/10.1093/gji/ggz395.

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SUMMARY The Cole–Cole mechanical model can match a simple seismic attenuation curve over a broad frequency range, but it is not a suitable model for replicating complicated seismic attenuation dispersion curves which exhibit multiple peaks or display pronounced asymmetry. In this case, we use the General Fractional Zener (GFZ) Model, which comprises multiple Cole–Cole elements, to approximate the attenuation observations. The observations here represent the arbitrary (frequency-dependent) dispersion behaviour from actual measurements (phase velocities and/or dissipation factors) or from some physical dissipation mechanism(s) such as local induced fluid flow in effective Biot theory. The key parameters of these viscoelastic models, which include the stress and strain relaxation times and the fractional derivative orders, are determined with a simulated annealing method. Instead of searching for the relaxation times directly, we search for the Zener peak attenuation points and corresponding frequencies, each of which corresponds to a pair of relaxation times. We show that just two fractional Zener elements can sometimes provide a satisfactory approximation to the observations over the entire frequency range. A simple deterministic method is developed to extract the parameters of the single element Zener model using phase velocity observations. As a special case of the GFZ model, we found and proved the constancy of the width of the attenuation curves at the half maximum amplitude point (FWHM) for all Zener models which is critical to the design of reasonable observation frequencies. We stress and demonstrate that ignoring the frequency-dependence of Q may result in significant discrepancies of calculated waveforms with observed or predicted values.

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Di Carlo, Aldo, P. Vogl i W. Pötz. "Theory of Zener tunneling and Wannier-Stark states in semiconductors". Physical Review B 50, nr 12 (15.09.1994): 8358–77. http://dx.doi.org/10.1103/physrevb.50.8358.

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Zhang, Guang-ming, Hong Chen i Xiang Wu. "A Perturbation Theory of Zener Transitions in Dissipative Driven Systems". Communications in Theoretical Physics 14, nr 3 (październik 1990): 267–74. http://dx.doi.org/10.1088/0253-6102/14/3/267.

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San Martín, David, Francisca García Caballero, Carlos Capdevila i Carlos García de Andrés. "Discussion on the Rate Controlling Process of Coarsening of Niobium Carbonitrides in a Niobium Microalloyed Steel". Materials Science Forum 500-501 (listopad 2005): 703–10. http://dx.doi.org/10.4028/www.scientific.net/msf.500-501.703.

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Austenite grain growth in microalloyed steels is governed by the coarsening of fine precipitates present at grain boundaries below the grain coarsening temperature. Zener model is widely used in metals to describe the pinning effect of second phase particles precipitated in the matrix. In this work it has been discussed whether grain boundary or volume diffusion is the rate controlling process for the coarsening of the niobium carbonitrides. Calculations on austenite grain growth kinetics, obtained coupling Zener theory and both rate controlling processes of precipitate coarsening, have been compared against experimental austenite grain size results under nonisothermal heating conditions. In this sense, it has been concluded that the coarsening of niobium carbonitrides is mainly controlled by volume diffusion of Nb in austenite.

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Zhu, Chaoyuan, i Hiroki Nakamura. "Semiclassical theory of multi-channel curve crossing problems: Landau-Zener case". Journal of Chemical Physics 106, nr 7 (15.02.1997): 2599–611. http://dx.doi.org/10.1063/1.473364.

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Rozprawy doktorskie na temat "Zener Theory"

Sinitsyn, Nikolai. "Generalizations of the Landau-Zener theory in the physics of nanoscale systems". Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/216.

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Nanoscale systems have sizes intermediate between atomic and macroscopic ones. Therefore their treatment often requires a combination of methods from atomic and condensed matter physics. The conventional Landau-Zener theory, being a powerful tool in atomic physics, often fails to predict correctly nonadiabatic transition probabilities in various nanostructures because it does not include many-body effects typical for mesoscopics. In this research project the generalizations of the Landau-Zener theory that solve this problem were studied. The multistate, multiparticle and nonunitary extensions of the theory have been proposed and investigated. New classes of exactly solvable models have been derived. I discuss their applications in problems of the molecular condensate dissociation and of the driven charge transport. In application to the physics of nanomagnets new approaches in modeling the influence of the environment on the Landau-Zener evolution are proposed and simple universal formulas are derived for the extensions of the theory that include the coupling to noise and the nuclear spin bath.

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Carson, Gillian. "Particle sizing using hertz-zener theory and ultrasonic measurement of impact vibrations". Thesis, University of Strathclyde, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488858.

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In this thesis a theoretical model that describes particles impacting with a circular plate, the resulting flexural vibrations of the plate, and its detection by an ultrasonic transducer, is described. Using a variety of approximations, an analytic expression for the plate vibrations is derived. This is then expressed as a Fourier series and an analytic expression for the frequency of the first main peak of the spectrum is obtained.

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Sun, Deqiang. "Landau-Zener transitions in noisy environment and many-body systems". [College Station, Tex. : Texas A&M University, 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-05-773.

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Zenker, Franz [Verfasser], Lutz Akademischer Betreuer] Bachmann i Wilhelm K. [Akademischer Betreuer] [Essler. "Beiträge zur Philosophie des Geistes an Hand der Drei-Welten-Theorie von Karl Popper / Franz Zenker. Gutachter: Lutz Bachmann ; Wilhelm K. Essler". Frankfurt am Main : Univ.-Bibliothek Frankfurt am Main, 2013. http://d-nb.info/1044276290/34.

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Morra, Erica, i Lisa Zenker. "Chapter 1: In Search of Innate Leadership : Discovering, Evaluating and Understanding Innateness". Thesis, Linnéuniversitetet, Institutionen för organisation och entreprenörskap (OE), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-34622.

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Every individual is born with different natural competencies that can be honed by both voluntary and involuntary environmental stimuli. The response our genotype decides to make, if any, towards those stimuli, determines how well our competencies develop. Each person’s coding and variations of genes will result in unique qualities in their phenotype, or physical structure. As a result, a person has various traits that are displayed through their behavior. DNA is genetically shown to express itself through traits by up to 75%. This leaves a sort of buffer of around 25%. This region is available for us to adapt to our environmental stimuli. Your innate qualities will not reach their full potential without stimulation from the environment, in a leadership case, with education and training and therefore it can be argued that environmental exposure is necessary to fully expose the potentials and capabilities of an individual, rather than instill a new skill or develop a talent that was not existent before. Innate leadership is not a permanent state, on the contrary, it is a continuously adaptive situation demanding contextual evolutionary changes or resignation from the subject occupying the role. When the needs and demands of a society or era outweigh the relevance of the innate leaders' traits and competencies, an evolution of leadership is needed to maintain a positive relationship between all parties involved. As a result, the innate leader will begin to lose their innateness in their role and unless they evolve and adapt (because the two actions are not the same) to new contextual needs, their tenure as leader will begin to be detrimental and counter-functional. What we want to put forward is a real, universal and constructive understanding of what makes a human happy, motivated and productive and how an innate person in context is a much better solution in the short and long run, for those around them when put to a task.

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Lahiri, Arka. "Theoretical and Numerical Study of Microstructure Formation in Multi-component Alloys". Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4088.

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The length scale, composition, orientation of the phases in a material constitutes its microstructure. In order to appreciate the whole gamut of microstructures observed in multi-component alloys, an identification of the functional dependencies of different micro structural parameters like the length scales, phase compositions, etc., on thermodynamic (like driving forces) and kinetic (like solute diffusivities) factors is critical. In this thesis, we seek to understand such dependencies theoretically (analytically and numerically) for solidification (diffusion-controlled transformations) involving two and more phases in multi-component alloys. We begin with a problem where a single solid phase forms from the multi-component liquid melt with a stable solidification front. We develop an analytical theory as an extension to Zener's theory for binary alloys to predict the interfacial compositions in either phase, alongside the velocity of the interface and the composition pro le in the liquid. The solidification interface is usually susceptible to perturbations leading to the most commonly observed structures of dendrites. We attempt to understand this phenomenon by first developing a multi-component extension to the Mullins-Sekerka type linear stability analysis of the solidification front. Here, we present analytical expressions which allow us to calculate the length scales selected due to the instability as functions of solute diffusivities and driving forces. A theoretical study of the product of such an instability is presented next, where we extend the LGK theory to multi-component systems to study the steady-state growth of dendrites into a uniformly undercooled melt. Our theory is able to predict the selection of the dominant length scale in the problem, which is the dendrite tip radius, in addition to the tip-growth velocity and the compositions of the solid and the liquid phases. For multi-phase solidification we follow a similar route and begin by developing a generalized Jackson-Hunt type analysis to predict the undercoolings, solid-phase fractions and phase compositions as functions of lamellar widths, during eutectic solidification of any number of solid phases from a multi-component melt. The instability of the eutectic solidification front leads to structures known as eutectic colonies. In this thesis, we present a study of the colony dynamics and the constituent lamellar morphologies in the presence of anisotropic solid-liquid and solid-solid interfacial energies through phase- field simulations.

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Thakurathi, Manisha. "Topological Phases, Majorana Modes, Dynamics and Transport in One-Dimensional Systems". Thesis, 2015. https://etd.iisc.ac.in/handle/2005/4815.

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This thesis presents work done on topological phases, Majorana modes, dynamics and transport in various system like the Kitaev models in one and two dimensions and systems with junctions of a p-wave superconductor and normal metal leads in one dimension. The systems we have studied are a one-dimensional spin-1/2 model placed in a transverse magnetic field [1,2], a lattice model of spinless electrons with p-wave superconductivity (Kitaev chain) [3,4], the Kitaev model of spin- 1/2’s placed on the sites of a honeycomb lattice [5], and continuum and lattice models of one-dimensional systems with junctions of a p-wave superconductor and normal metal leads [6].

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Książki na temat "Zener Theory"

Margit, Varró. Zongoratanítás és zenei nevelés. Budapest: Editio Musica, 1989.

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Szabó, Sándor. A zene metafizikája. Budapest: Püski, 2011.

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Cook, Nicholas, Peter Johnson i Hans Zender. Theory into practice. Leuven University Press, 2021. http://dx.doi.org/10.11116/9789461664327.

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'Theory into Practice. Composition, Performance and the Listening Experience' is the second publication in the series 'Collected Writings of the Orpheus Institute'. The series comprises articles concerning the activities of the Orpheus Institute. The centrale theme of this book is the relationship between the reflections about and the relization of a musical composition. In his paper Words about Music, or Analysis versus Performance, Nicholas Cook states that words and music can never be aligned exactly with one another. He embarks on a quest for models of the relationship between analytical conception and performance that are more challenging than those in general currency. Peter Johnson's article Performance and the Listening Experience: Bach's 'Erbarme dich' shows that a performance is an element within the intentionality of the work itself. He looks for scientific methods capable of proving the artisticity of a performance. The composer Hans Zender, in his A Road Map for Orpheus?, states that a composer must be capable of questioning obvious basic principles (such as equal temperament) and finding creative solutions.

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Wright, A. G. Voltage dividers. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199565092.003.0013.

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Voltage dividers provide accelerating voltages to generate multiplier gain. Dynode voltages must remain constant and independent of the light input to maintain stable gain. The standard resistive divider never quite satisfies this requirement, although acceptable performance can be achieved by careful design. The inclusion of zener diodes improves performance but field-effect transistor (FET) circuits can provide gain stability at high mean anode currents, regardless of whether the application is pulsed or analogue. Design procedures for active and semi-active voltage dividers are presented. Dividers based on the Cockcroft–Walton (CW) principle are particularly suited to portable instrumentation because of their low standing current. Consideration is given to pulsed operation, decoupling, switch-on transients, ripple, dynode signals, single cable dividers, and equivalent circuits at high frequencies. Gating is used to protect a photomultiplier, in the presence of high light levels, by reducing the gain electronically. Various methods for gating a voltage divider are presented.

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Heller, Ayline, Oliver Decker i Elmar Brähler, red. Prekärer Zusammenhalt. Psychosozial-Verlag, 2020. http://dx.doi.org/10.30820/9783837930504.

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Die Demokratie in Deutschland steht unter Druck: Soziale und kulturelle Ungleichheit, Fremdenfeindlichkeit und Antisemitismus sowie von vielen Seiten infrage gestellte demokratische Grundwerte machen es notwendig, Vereinigungs- und Integrationsprozesse nach 1989 von Neuem zu beleuchten. Im Dialog zwischen Theorie und empirischer Analyse vermessen die Autor_innen das Feld neuer und alter Bruchlinien im demokratischen Diskurs, zeigen die Ambivalenzen des gesellschaftlichen Zusammenhalts auf und nehmen dabei insbesondere rechtspopulistische und -extreme Denkmuster in den Blick. Indem die Autor_innen die fragile Annäherung von Ost und West und die gegenwärtig viel beschworenen Gefahren für die Demokratie auf diese Weise zusammendenken, ermöglichen sie die fundierte Bestandsaufnahme einer prekär gewordenen Solidarität. Mit Beiträgen von Marc Allroggen, Laura Beckmann, Hendrik Berth, Manfred Beutel, Elmar Brähler, Johanna Brückner, Oliver Decker, Jörg M. Fegert, Daniel Gloris, Ayline Heller, Johannes Kiess, Sören Kliem, Yvonne Krieg, Dominic Kudlacek, Lars Rensmann, Peter Schmidt, Silke Schmidt, Julia Schuler, Yve Stöbel-Richter, Ana Nanette Tibubos, Wolf Wagner, Stefan Weick, Hans-Jürgen Wirth, Andreas Witt, Alexander Yendell, Markus Zenger und Carolin-Theresa Ziemer

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Nelson, William E. The Common Law in Colonial America. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190850487.001.0001.

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This volume begins where volumes 2 and 3 ended. The main theme of the four-volume project is that the law of America’s thirteen colonies differed profoundly when they first were founded, but had developed into a common American law by the time of the Revolution. This fourth volume focuses on what was common to the law of Britain’s thirteen North American colonies in the mid-eighteenth century, although it also takes important differences into account. The first five chapters examine procedural and substantive law in colonies and conclude that, except in North Carolina and northern New York, the legal system functioned effectively in the interests both of Great Britain and of colonial localities. The next three chapters examine changes in law and the constitution beginning with the Zenger case in 1735—changes that ultimately culminated in independence. These chapters show how lawyers became leading figures in what gradually became a revolutionary movement. It also shows how lawyers used legal and constitutional ideology in the interests, sometimes of an economic character, of their clients. The book thereby engages prior scholarship, especially that of Bernard Bailyn and John Phillip Reid, to show how ideas and constitutional values possessed independent causal significance in leading up to the Revolution but also served to protect institutional structures and socioeconomic interests that likewise possessed causal significance.

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Części książek na temat "Zener Theory"

De Grandi, C., i A. Polkovnikov. "Adiabatic Perturbation Theory: From Landau–Zener Problem to Quenching Through a Quantum Critical Point". W Quantum Quenching, Annealing and Computation, 75–114. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11470-0_4.

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Jensen, B. "The Quantum Extension of the Drude—Zener Theory in Polar Semiconductors". W Handbook of Optical Constants of Solids, 169–88. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012544415-6.50012-1.

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JENSEN, B. "The Quantum Extension of the Drude-Zener Theory in Polar Semiconductors". W Handbook of Optical Constants of Solids, 169–88. Elsevier, 1985. http://dx.doi.org/10.1016/b978-0-08-054721-3.50014-9.

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"CHARGE OSCILLATIONS AND ZENER NOISE DUE TO INTERBAND TRANSITIONS IN SMALL JUNCTIONS". W SQUID '85 Superconducting Quantum Interference Devices and their Applications, 203–18. De Gruyter, 1986. http://dx.doi.org/10.1515/9783110862393.203.

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Nelson, William E. "Weakening the Bonds of Empire". W E Pluribus Unum, 195–215. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190880804.003.0014.

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Patterns of compromise and respect for colonial and imperial government concerns began to fray in the mid-1730s, thereby weakening the bonds of empire. A major event was the widely published Zenger case in New York, in which a local jury nullified a royal governor’s demands. Conflict between royal and local interests continued in connection with the matter of the pistole fee and the Parson’s Cause in Virginia, with regard to the chartering of a college in New York, and in a series of Pennsylvania cases ignoring acts of Parliament and other English law. A key moment of conflict was the 1761 Writs of Assistance Case in Massachusetts. In conjunction, these cases developed a body of American constitutional theory in sharp contrast to the prevailing norm of parliamentary supremacy.

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Triarhou, Lazaros C., i Manuel del Cerro. "Colour Under the Microscope: Santiago Ramón y Cajal Does ‘Histology’ on Lippmann Heliochromes". W Gabriel Lippmann's Colour Photography. Nieuwe Prinsengracht 89 1018 VR Amsterdam Nederland: Amsterdam University Press, 2022. http://dx.doi.org/10.5117/9789463728553_ch03.

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This paper highlights Gabriel Lippmann’s discovery of colour photography and the microscopic analyses performed upon the photographs by Santiago Ramón y Cajal (1852–1934), professor of anatomy and histology in Madrid, acknowledged “father of modern neuroscience”, and avid photographer, in a historic and a modern perspective. Cajal placed sections of Lippmann photographs under the microscope to study the structure of their materiality. He focused on the laminae of Zenker, which produced mixed colours, especially white. His technical studies culminated in a 1908 article in the Annual Report of the Board of Regents of the Smithsonian Institution and in his subsequent Spanish classic monograph, Photography in Colours, expounding upon the theoretical physicochemical principles and practical applications of the “art of Daguerre.” The authors thus explore Lippmann’s reception in Spain.

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Nigro, Héctor Oscar, i Sandra Elizabeth González Císaro. "The Satisfaction of the Citizens With the Place and the Impact of This Evaluation on Local Government Management". W Open Government, 469–96. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9860-2.ch023.

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Sometimes, the satisfaction of the citizens with the city in which they live is high, but local and municipal governments do not get much credit for it. It is important for local and municipal authorities to understand what they can control and what they cannot. Then, they can focus on the most important factors that can affect citizens. A causal model based on partial least squares structural equation will be proposed. The Citizen Satisfaction Index (CSI) model developed by Zenker, Petersen, and Aholt (2013) is taken as reference. This model discusses that overall satisfaction with a place is mainly described by four different basic factors: Urbanity and Diversity, Nature and Recreation, Job Opportunities and Cost-efficiency. The aim of this work was the presentation of our model of Citizen Satisfaction with local Government Management and the comparison between our results and the Duffy et al. (2010) model.

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Nigro, Héctor Oscar, i Sandra Elizabeth González Císaro. "The Satisfaction of the Citizens with the Place and the Impact of This Evaluation on Local Government Management". W Comparative Studies and Regionally-Focused Cases Examining Local Governments, 294–322. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-5225-0320-0.ch014.

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Lamas, Carmen E. "Conclusion". W The Latino Continuum and the Nineteenth-Century Americas, 207–14. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198871484.003.0007.

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In Sofía Martín Morúa Delgado would stress that clothes are markers: markers of taste, cultural inclinations, socioeconomic status. They are also markers of place and geographic identifications, as Morúa would observe about the inadequate clothing worn by Americanized Cubans upon their return to the island after extended stays in the US, noting that their use of “lanas y franelas sencillas…conservaban una graciosa reminiscencia del tipo extranjero impreso en ambos por su larga estancia fuera de su país natal” (Morúa Delgado 1891, 102) (simple wools and flannels…retained an amusing reminiscence of the foreign type stamped on both because of their long stay outside of their countries of birth). He was not the only Latina/o author who found himself moving between spaces, on a Latino Continuum, on which clothing, like texts and life events, served as markers of that experience. Take for example the martyred Cuban poet, Juan Clemente Zenea (1832–71), who, although on a diplomatic mission to the island, was executed by Spanish authorities as a traitor to the Spanish cause in Cuba. He would likewise comment on the experience of living in a new country, but this time through the lens of emotions and desire in the doomed love affair of a displaced couple who yearn for their homeland as they walk down ...

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Freedman, Eric M. "The Connecting Strand". W Making Habeas Work, 60–66. NYU Press, 2018. http://dx.doi.org/10.18574/nyu/9781479870974.003.0010.

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Until the first half of the nineteenth century the wide power of the jury was a central check on government as this Chapter shows through numerous examples. The jury might choose to render a special verdict determining the facts and letting the court apply the relevant law. This often happened in routine cases of a technical nature. But the law-determining power of the jury could not be taken from it involuntarily. The power was often utilized in high-visibility cases, e.g. the prosecution of John Peter Zenger for libel, and in ones where the legal issues were clear, e.g. most cases involving misconduct by law enforcement officers. The landmark English habeas corpus decision in Bushell’s Case established that a criminal jury (there, the one trying William Penn for unlawful preaching) could insist on an acquittal regardless of the judge’s view. Moreover, juries could constrain the judges’ sentencing options through fact-finding whose effect was to render the defendant guilty only of a lesser offense (e.g. Colony v. Bullojne (Mass. 1667)). The jury’s role as a constraint on power was eviscerated by subsequent historical developments. The present situation is undesirable and should be reconsidered.

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Streszczenia konferencji na temat "Zener Theory"

Sa´nchez-Dehesa, Jose´, i He`lios Sanchis-Alepuz. "Acoustic Bloch Oscillations and Zener Effect in One-Dimensional Sonic Crystals". W ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41851.

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We report the acoustic analogue of electronic Bloch oscillations and Zener tunneling in sonic crystals. First, an analytic theory of acoustic Bloch oscillations is presented for the simple case of a sound waves propagating along the normal of a multilayer made of any two different solid or fluids materials. The formulation is applied to the case of water cavities surrounded by Plexiglas layers. Transfer matrix calculations confirm the validity of the model by assuming that the longitudinal impinging vibration is perpendicular to the surfaces of the layers. An experimental demonstration of the predictions is performed by using a very simple experimental setup consisting of two transducers and a signal analyzer. While the Bloch oscillations can be used as signal modulator, the Zener effect can be applied as a resonant filter.

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Gachagan, A., A. J. Mulholland, G. Hayward, M. Tramontana, A. Nordon i G. Carson. "P1H-2 Particle Sizing in the Process Industry using Hertz-Zener Impact Theory and Acoustic Emission Spectra". W 2006 IEEE Ultrasonics Symposium. IEEE, 2006. http://dx.doi.org/10.1109/ultsym.2006.360.

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Ciornei, Florina Carmen, i Emanuel N. Diaconescu. "Dynamic Contact Between a Rigid Indenter and a Zener Half-Space". W ASME/STLE 2004 International Joint Tribology Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/trib2004-64377.

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This paper investigates the dynamic contact between an axi-symmetric rigid paraboloid and a standard solid (Zener) viscoelastic half-space. The load consists of a pulse cosine applied over a step function. Following the theory developed by Ting, analytical expression of contact radius for an advancing contact is derived. For receding contact, contact radius is numerically obtained. Contact pressures for increasing and decreasing contacts are derived. The influence of load frequency is evidenced. At low frequencies, contact pressure has an initial Hertz shape and then, as the contact increases, a relaxed one. As the contact reaches its maximum, the pressure tends again to an elastic pattern. Experimental tests were carried out on a contact between a polymeric sphere and a glass plate. A good agreement is found with theoretical results by measuring contact radius.

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Iannitto, Marco, Thomas J. Royston i Richard L. Magin. "Identifying Fractional Viscoelastic Models Based on Surface Wave Motion". W ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47769.

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In previous studies of the second author mechanical wave motion on a viscoelastic material representative of biological tissue was analyzed. Compression, shear and surface wave motion in and on a viscoelastic halfspace excited by surface and subsurface sources were considered. It was shown that a fractional order Voigt model, in which the damping component, dependent on the first derivative of time, is replaced with a fractional element dependent on a derivative of time of fractional order between 0 and 1, resulted in closer agreement with experiment as compared with the conventional (integer order) models of Voigt and Zener. In the present study different materials and a wider range of viscoelastic models are considered. An algorithm to evaluate the frequency-dependent shear moduli of viscoelastic materials measuring the propagation of Rayleigh waves on the surface of the media is presented and viscoelastic models (both of integer and fractional order) are compared to experimental results. It is shown that, in the frequency range of interest (100–600 Hz), the use of the fractional order assumption improves the match of theory to experiment.

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Anani, Y., M. Asghari i R. Naghdabadi. "Modeling of Visco-Hyperelastic Behavior of Foams". W ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66773.

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In this paper, a new visco-hyperelastic constitutive law for describing the rate dependent behavior of foams is proposed. The proposed model was based on a phenomenological Zener model: a hyperelastic equilibrium spring, which describes the steady-state, long-term response, parallel to a Maxwell element, which captures the ratedependency. A nonlinear viscous damper connected in series to a hyperelastic intermediate spring, controls the ratedependency of the Maxwell element. Therefore, the stress is the sum of equilibrium stress on the equilibrium spring and overstress on the intermediate spring. In hyperelastic theory stress is not calculated directly as in the case of small-strain, linear elastic materials. Instead, stresses are derived from the principle of virtual work using the stored strain energy potential function. In addition, foams are compressible, therefore classic strain energy functions such as the Ogden strain energy function or the Mooney-Rivlin strain energy function are not suitable to describe hyperelastic behavior of foams. So, strain energy functions must include the effect of compressibility. That means the third principal invariant of the deformation gradient tensor F should enter in strain energy functions. For rate-dependent behavior of foams, history integral constitutive law is used. For the equilibrium spring and the intermediate spring, the same strain energy function is employed. In order to use this stain energy function in history integral equation, the kernel function of it is calculated. The effect of compressibility is considered in rate-dependent behavior of foams too. All material constants were obtained from the results of uniaxial tensile tests. Nonlinear regulation was used to find these constants. In these calculations, Average strain rate was employed to find material constants.

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Trompeter, Henrike, Wieslaw Krolikowski, Dragomir N. Neshev, Anton S. Desyatnikov, Andrey A. Sukhorukov, Yuri S. Kivshar, Thomas Pertsch, Ulf Peschel i Falk Lederer. "Optical Bloch oscillations and Zener tunneling in two-dimensional photonic lattices". W Nonlinear Guided Waves and Their Applications. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/nlgw.2005.thd1.

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Harben, Jonathan. "The 2014 North American Josephson Voltage Interlaboratory Comparison". W NCSL International Workshop & Symposium. NCSL International, 2015. http://dx.doi.org/10.51843/wsproceedings.2015.32.

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The 10th North American Josephson voltage standard (JVS) interlaboratory comparison (ILC) at 10 V was completed in 2014. This year’s ILC was unique as it consisted of 2 parts. An on-site comparison was conducted between the National Institute of Standards and Technology (NIST) compact JVS and the pivot laboratory’s conventional JVS (CJVS) system. A set of four traveling Zener voltage standards then served to transfer traceability from the pivot laboratory to the 12 other participants. In addition to the regular ILC activities, a second on-site comparison was conducted between the NIST compact JVS and the programmable JVS (PJVS) provided by the National Aeronautics and Space Administration (NASA). Due to limited availability of the PJVS, only two labs were selected to make direct comparison between their CJVS systems and NASA’s PJVS. The method has been used for the first time in the JVS ILC and has the advantage of using the PJVS as a transfer standard. This allowed the participating lab to make comparisons using its CJVS system against the 10V PJVS in the same manner as the measurements for Zener standards are performed while overcoming limitations of the Zener noise. We give the results from the 2014 ILC.

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Capra, Pier Paolo, Roberto Cerri, Flavio Galliana, Marco Lanzillotti, Alessio Pollarolo i Paolo Roccato. "Measurement setup to characterize electrical standards". W 19th International Congress of Metrology (CIM2019), redaktor Sandrine Gazal. Les Ulis, France: EDP Sciences, 2019. http://dx.doi.org/10.1051/metrology/201911003.

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At the National Institute of Metrological Research (INRIM) a measuring setup able to vary, accurately and in a selective way, the temperature, humidity and pressure to detect eventual hysteretic phenomena and to evaluate their effects on electrical standards as high precision standard resistors and Zener-diode based DC Voltage standards. Main element of the setup is a pressure-tight case housing the standards and acting the stresses due to the desired parameters. By means of pressure-tight-connectors, the standards under test are connected to the measuring instruments, while the climatic conditions are acquired through inner and external sensors. Humidity is controlled by means of two conditioning containers filled respectively with water and silica-gel, which regulate the air-moisture percentage the case in a range of 10-90%. A pumping system establishes the pressure in the case from 600 hPa to 1400 hPa. The characterization vs. humidity and pressure is made at constant temperature by means of a commercial air-bath acting from 15 and 45 ° C. Preliminary results have been obtained for pressure dependence of commercial 100 Ω resistors and of an INRIM-developed 10 V Zener-diode based DC Voltage standard.

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Nakamura, Hiroki. "Complete solutions of the Landau-Zener-Stueckelberg curve crossing problems, and their generalizations and applications". W The 21st international conference on the physics of electronic and atomic collisions (21 IPEAC). AIP, 2000. http://dx.doi.org/10.1063/1.1302681.

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Kahn, Cyril J. F., Dominique Dumas, Elmira Arab-Tehrany, Vanessa Marie, Nguyen Tran, Xiong Wang i Franck Cleymand. "Structural and Mechanical Multi-Scale Characterization of White New Zealand Rabbit Achilles Tendon". W ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87528.

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Tendons and ligaments are complex multi-scale collageneous structures playing a fundamental role in mouvement. Even if these tissues are extensively studied in the past decades, modeling their non-linear viscoelastic properties is still a tough challenge. In order to reveal the relationship between the multi-scale structures and the macroscopic mechanical properties, we used atomic force microscopy (AFM) and second harmonic generation (SHG) microscopy to study unstreateched microtome slices of rabbit Achilles tendons, and an Adamel Lomargy DY.22 tensile test machine to study the dynamic properties of these tissues. Based on our data, a Zener model was used to describe the dynamic loading and unloading cycles.

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